package com.ABdolphin.forum.Interceptor;

import com.ABdolphin.forum.config.AppConfig;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
@Component
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {
    @Value("${forum.login.url}")
    private String defaultURL;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if (session!=null&&session.getAttribute(AppConfig.USER_SESSION)!=null){
            return true;
        }
        if (!defaultURL.startsWith("/")){
            defaultURL="/"+defaultURL;
        }
        response.sendRedirect(defaultURL);
        log.info("用户未登录");
        return false;
    }
}
